CN221233853U - Handle clutch structure and baby carriage - Google Patents

Abstract

The utility model belongs to the technical field of children's vehicles, and particularly relates to a handle clutch structure and a children's vehicle, which comprises a handle assembly, a connecting pipe, a reset elastic piece, a limiting shaft, a rotating piece, a connecting shaft and a rod seat; the rod seat is provided with a strip-shaped hole axially arranged along the rod seat; the two ends of the connecting shaft sequentially pass through the rod seat, the connecting pipe and the rotating piece; the limiting shaft is connected with the reset elastic piece, and two ends of the limiting shaft sequentially penetrate through the strip-shaped hole and the connecting pipe; the handle assembly radially extrudes the reset elastic piece to the rotating piece; the rod seat is provided with a clutch position and a locking position, when the limiting shaft is positioned at the clutch position, the limiting shaft is positioned at one end of the strip-shaped hole close to the handle assembly, and the connecting pipe and the rotating piece can rotate relatively; the rotating piece is rotated, the limiting shaft moves from the clutch position to the locking position, and the connecting pipe and the rotating piece can not rotate relatively. The two modes of the handle clutch structure are switched through the components, so that a user can switch the corresponding modes according to the requirements.

Description

Handle clutch structure and baby carriage

Technical Field

The utility model belongs to the technical field of children's vehicles, and particularly relates to a handle clutch structure and a children's vehicle.

Background

The baby carrier is a tool car specially designed for facilitating outdoor activities of children, and can be used for parents to push the children to go out. However, with the development of society and the advancement of technology, demands for children's carriages are also increasing. Not only is it required to have the basic characteristics of comfort, safety, portability, etc., but also it is required to have more functions and better performance.

In the prior art, a baby carrier is provided with a front handle and a rear handle, wherein the front handle is used for changing the running direction of the baby carrier when a child rides the bicycle, and the rear handle is used for controlling the running direction of the baby carrier by a large person. When the child holds the front handle and the adult holds the rear handle, the direction of the child rotating the front handle is opposite to the direction of the adult rotating the rear handle, so that the travelling direction of the wheels is difficult to control, and meanwhile, certain potential safety hazards can exist.

Disclosure of utility model

The utility model aims to provide a handle clutch structure and a baby carrier, and aims to solve the technical problems that in the prior art, when a child and an adult operate handles at the same time but turn reversely, the directions of wheels are difficult to control and potential safety hazards exist.

In order to achieve the above purpose, the embodiment of the utility model provides a handle clutch structure, which comprises a handle assembly, a connecting pipe, a reset elastic piece, a limiting shaft, a rotating piece, a connecting shaft and a rod seat; the rod seat is internally provided with an installation cavity, and the side end of the rod seat is provided with a strip-shaped hole axially arranged along the rod seat; the connecting pipe is sleeved outside the rod seat; the rotating piece is sleeved outside the connecting pipe; the two ends of the connecting shaft sequentially pass through the rod seat, the connecting pipe and the rotating piece; the reset elastic piece is arranged in the mounting cavity, the limiting shaft is connected with the reset elastic piece, the limiting shaft is limited in the strip-shaped hole, and two ends of the limiting shaft sequentially penetrate through the strip-shaped hole and the connecting pipe; the handle component is fixedly connected with the connecting pipe and radially extrudes the reset elastic piece to the rotating piece; the rod seat is provided with a clutch position and a locking position, when the limiting shaft is positioned at the clutch position, the limiting shaft is positioned at one end of the strip-shaped hole close to the handle assembly, and the connecting pipe and the rotating piece can rotate relatively; the rotating piece is rotated, the limiting shaft moves from the clutch position to the locking position, and under the elastic action of the reset elastic piece, the limiting shaft moves downwards along the strip-shaped hole, and at the moment, the connecting pipe and the rotating piece cannot rotate relatively.

Optionally, the clutch position is a circular arc gap, the locking position is located at the side of the circular arc gap, the locking position is an open slot with an inclined plane, and the inclined plane extends obliquely towards the circular arc gap.

Optionally, a first transverse adjusting hole extending transversely and horizontally is formed in the connecting pipe; the rotating piece is provided with a second transverse adjusting hole which transversely and horizontally extends and corresponds to the first transverse adjusting hole; the rod seat is provided with a positioning hole, and the connecting shaft sequentially penetrates through the positioning hole, the second transverse adjusting hole and the first transverse adjusting hole.

Optionally, the connecting pipe is equipped with the confession spacing axle rotates when the separation and reunion position, spacing T-shaped groove when locking position, T-shaped groove package lateral shifting section with the vertical section of lateral shifting section intercommunication, vertical section orientation the direction of connecting axle extends.

Optionally, the return elastic member includes a compression spring and a spring seat; one end of the compression spring is connected with the handle assembly, and the other end of the compression spring is connected with the spring seat; the spring seat is provided with a connecting hole for the connecting shaft to pass through.

Optionally, a connecting portion is disposed on a side of the spring seat opposite to the connecting hole, and the compression spring is sleeved outside the connecting portion.

Optionally, the device further comprises a quick-dismantling mechanism and a connecting frame, wherein the quick-dismantling mechanism is arranged on the connecting frame, and a clamping block is arranged on the quick-dismantling mechanism; the opposite sides of the rod seat are respectively provided with a clamping groove, the clamping blocks are clamped in the corresponding clamping grooves, the quick-dismantling mechanism is pressed, and the clamping blocks are retreated from the corresponding clamping grooves.

Optionally, the quick-release mechanism includes a first button, a second button, a first spring, a second spring, a first snap ring, and a second snap ring; the first button and the second button are respectively arranged on two opposite sides of the connecting frame; the first clamping ring and the second clamping ring are arranged in a vertically staggered mode, the first clamping ring is connected with the first button, and the second clamping ring is connected with the second button; the clamping blocks are arranged at one end of the first clamping ring, which is close to the second button, and one end of the second clamping ring, which is close to the first button; one end of the first spring is connected with the first button, and the other end of the first spring is connected with the second clamping ring; one end of the second spring is connected with the second button, and the other end of the second spring is connected with the first clamping ring.

Optionally, the number of the clamping grooves on the rod seat is multiple, and the multiple clamping grooves are uniformly distributed along the axial direction of the rod seat at intervals.

The above technical solutions in the handle clutch structure provided by the embodiments of the present utility model have at least one of the following technical effects: the handle clutch structure has clutch state and locking state, and under clutch state, the spacing axle is located the separation and reunion position, and handle subassembly and connecting pipe pass through screw fixed connection, and handle subassembly can drive the connecting pipe and rotate, and the connecting pipe takes place relative rotation with knob spare, and the connecting pipe drives the pole seat and rotates. The rotating piece is rotated, the handle clutch mechanism is in a locking state, the rotating piece and the connecting pipe are rotated relatively in the process of rotating the rotating piece, the limiting shaft is moved to the locking position from the clutch position, the limiting shaft is pressed down along the strip-shaped hole to be limited under the action of the elastic force of the resetting elastic piece, and at the moment, the connecting pipe and the rod seat are locked and cannot rotate. Therefore, the two modes of the handle clutch structure are switched through the components, so that a user can switch the corresponding modes according to the requirements, and inconsistency caused by simultaneous control of the travelling directions of wheels by children and adults is avoided.

The baby carrier comprises a rear handle, a screw rod, a front wheel and the handle clutch structure, wherein the screw rod is connected with the front wheel, the rear handle and the handle clutch structure.

The above technical solutions in the child car provided by the embodiments of the present utility model have at least one of the following technical effects: the handle clutch structure has clutch state and locking state, and under clutch state, the spacing axle is located the separation and reunion position, and handle subassembly and connecting pipe pass through screw fixed connection, and handle subassembly can drive the connecting pipe and rotate, and the connecting pipe takes place relative rotation with knob spare, and the connecting pipe drives the pole seat and rotates, and the pole seat drives the front wheel and turns to. The rotating piece is rotated, the handle clutch mechanism is in a locking state, the rotating piece and the connecting pipe are rotated relatively in the process of rotating the rotating piece, the limiting shaft is moved to the locking position from the clutch position, the limiting shaft is pressed down along the strip-shaped hole to be limited under the elastic force of the resetting elastic piece, at the moment, the connecting pipe and the rod seat are locked and cannot rotate, and the front wheel can be driven to realize steering only through the rear handle by the screw rod. Therefore, the two modes of the handle clutch structure are switched through the components, so that a user can switch the corresponding modes according to the requirements, and inconsistency caused by simultaneous control of the travelling directions of wheels by children and adults is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a child car according to an embodiment of the present utility model.

Fig. 2 is a schematic view of the child car of fig. 1 from another perspective.

Fig. 3 is a cross-sectional view of the child's vehicle of fig. 2 taken along line A-A.

Fig. 4 is an exploded view of the handle clutch structure of fig. 1.

Fig. 5 is a schematic view of the handle clutch structure of fig. 1 in a clutch state.

Fig. 6 is a schematic view of the handle clutch structure of fig. 1 in a locked state.

Fig. 7 is a schematic view of the handle clutch structure of fig. 1 from another perspective.

Fig. 8 is a cross-sectional view of the handle clutch structure of fig. 7 taken along line B-B.

Fig. 9 is a schematic structural view of the quick release mechanism of fig. 1 mounted on a connection frame.

Fig. 10 is a schematic structural view of the first snap ring of fig. 1.

Wherein, each reference sign in the figure:

1-handle clutch structure 2-rear handle 3-screw rod

4-Front wheel 10-handle assembly 20-connecting tube

21-First transverse adjustment hole 22-T-slot 30-return spring

31-Compression spring 32-spring seat 40-limiting shaft

50-Rotating member 51-second transverse adjustment hole 60-connecting shaft

70-Rod seat 71-mounting cavity 72-bar-shaped hole

73-Locating hole 74-clamping groove 80-quick-dismantling mechanism

81-Clamping block 82-first button 83-second button

84-First spring 85-second spring 86-first snap ring

87-Second snap ring 90-connecting frame 100-clutch position

110-Inclined plane 200-locking position 221-transverse moving section

222-Vertical section 321-connection 811-engagement.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 10 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 10, there is provided a child car including a handle clutch structure 1, a rear handle 2, a screw 3, and a front wheel 4, the screw 3 connecting the front wheel 4, the rear handle 2, and the handle clutch structure 1. The handle clutch structure 1 comprises a handle assembly 10, a connecting pipe 20, a reset elastic piece 30, a limiting shaft 40, a rotating piece 50, a connecting shaft 60 and a rod seat 70; the rod seat 70 is internally provided with an installation cavity 71, and the two opposite side ends of the rod seat 70 are respectively provided with a strip-shaped hole 72 axially arranged along the rod seat 70, and the rod seat 70 is connected with the front wheel 4; the connecting pipe 20 is sleeved outside the rod seat 70; the rotating member 50 is sleeved outside the connecting pipe 20 and can rotate relative to the connecting pipe 20; the both ends of the connection shaft 60 sequentially pass through the rod seat 70, the connection pipe 20 and the rotation member 50; the reset elastic piece 30 is arranged in the mounting cavity 71, the limiting shaft 40 is connected with the reset elastic piece 30, the limiting shaft 40 is limited in the strip-shaped hole 72, and two ends of the limiting shaft 40 sequentially penetrate through the strip-shaped hole 72 and the connecting pipe 20, so that the limiting shaft 40 can slide in the strip-shaped hole 72 under the elastic action of the reset elastic piece 30; the handle assembly 10 is fixedly connected with the connection pipe 20 and radially presses the reset elastic member 30 to the rotating member 50; the lever seat 70 has a clutch position 100 and a locking position 200, when the limiting shaft 40 is located at the clutch position 100, the limiting shaft 40 is located at one end of the bar-shaped hole 72 near the handle assembly 10, and the connecting pipe 20 and the rotating member 50 can rotate relatively, so that the steering of the front wheel 4 is realized; the rotating member 50 is rotated, the limiting shaft 40 is moved from the clutch position 100 to the locking position 200, and the limiting shaft 40 is moved down along the bar-shaped hole 72 by the elastic force of the reset elastic member 30, and at this time, the connecting tube 20 and the rotating member 50 cannot rotate relatively.

Specifically, the handle clutch structure 1 has a clutch state and a locking state, in the clutch state, the limiting shaft 40 is located at the clutch position 100, the handle assembly 10 is fixedly connected with the connecting pipe 20 through a screw, the handle assembly 10 can drive the connecting pipe 20 to rotate, the connecting pipe 20 and the knob piece rotate relatively, the connecting pipe 20 drives the rod seat 70 to rotate, and the rod seat 70 drives the front wheel 4 to rotate. The rotating member 50 is rotated to make the handle clutch mechanism in a locking state, during the process of rotating the rotating member 50, the rotating member 50 and the connecting tube 20 relatively rotate, so that the limiting shaft 40 moves from the clutch position 100 to the locking position 200, and is pressed down and limited along the bar-shaped hole 72 under the elastic force of the resetting elastic member 30, at this time, the connecting tube 20 and the rod seat 70 are locked and cannot rotate, and only the rear handle 2 drives the front wheel 4 through the screw rod 3 to realize steering. Therefore, the two modes of the handle clutch structure 1 are switched through the components, so that a user can switch the corresponding modes according to the requirements, and inconsistency caused by simultaneous control of the travelling directions of wheels by children and adults is avoided.

In this embodiment, as shown in fig. 4 to 9, the clutch position 100 is a circular arc notch, the locking position 200 is located beside the circular arc notch, and the locking position 200 is an open slot with a bevel 110, and the bevel 110 extends obliquely towards the circular arc notch. Specifically, the clutch position 100 is a circular arc notch, and the circular arc notch is adapted to the arc surface of the limiting shaft 40, so that when the rotating member 50 is rotated, the limiting shaft 40 is separated from the circular arc notch and then slides to the bottom of the opening groove along the inclined plane 110 of the opening groove.

In the present embodiment, as shown in fig. 4, the connection pipe 20 is provided with a first lateral adjustment hole 21 extending horizontally in the lateral direction; the rotating member 50 is provided with a second lateral adjustment hole 51 extending horizontally and corresponding to the first lateral adjustment hole 21; the lever seat 70 is provided with a positioning hole 73, and the connecting shaft 60 sequentially passes through the positioning hole 73, the second lateral adjustment hole 51 and the first lateral adjustment hole 21. Specifically, the length of the first lateral adjustment hole 21 is the same as the length of the second lateral adjustment hole 51, and the length of the first lateral adjustment hole 21 and the length of the second lateral adjustment hole 51 may be set according to actual requirements, so that the steering angle of the handle assembly 10 may be adjusted.

The connection pipe 20 is provided with a T-shaped groove 22 for the limit shaft 40 to rotate at the clutch position 100 and limit at the locking position 200, the T-shaped groove 22 comprises a transverse moving section 221 and a vertical section 222 communicated with the transverse moving section 221, and the vertical section 222 extends towards the direction of the connection shaft 60. Specifically, the T-shaped slot 22 is T-shaped, when the limiting shaft 40 is at the clutch position 100, the limiting shaft 40 can move on the lateral moving section 221, and the limiting shaft 40 rotates to the position where the limiting shaft 40 falls into the vertical section 222 under the action of the restoring elastic member 30 when at the locking position 200, and moves in the bar-shaped hole 72, so that the locking connection pipe 20 cannot rotate.

In the present embodiment, as shown in fig. 4 and 8, the return elastic member 30 includes a compression spring 31 and a spring seat 32; one end of the compression spring 31 is connected with the handle assembly 10, and the other end is connected with the spring seat 32; the spring seat 32 is provided with a connecting hole through which the connecting shaft 60 passes. Specifically, the handle assembly 10 is connected to the compression spring 31, and presses the compression spring 31 toward the spring seat 32, so that the compression spring 31 is in a compressed state, and the spring seat 32 and the connecting shaft 60 are driven to axially move on the rod seat 70 by the elastic force generated by the compression spring 31.

The spring seat 32 is provided with a connecting portion 321 on a side facing away from the connecting hole, and the compression spring 31 is sleeved outside the connecting portion 321. Specifically, the connecting portion 321 is in a cylindrical shape, and the compression spring 31 is sleeved on the connecting portion 321, so that the compression spring 31 can be limited, and the guiding effect is achieved.

In this embodiment, as shown in fig. 7 to 10, the device further comprises a quick-release mechanism 80 and a connecting frame 90, wherein the quick-release mechanism 80 is mounted on the connecting frame 90, and a clamping block 81 is arranged on the quick-release mechanism 80; the opposite sides of the rod seat 70 are respectively provided with a clamping groove 74, the clamping blocks 81 are clamped in the corresponding clamping grooves 74, the quick release mechanism 80 is pressed, and the clamping blocks 81 are withdrawn from the corresponding clamping grooves 74. Specifically, the connecting frame 90 is used for being connected with the front wheel 4, and the connection and the disassembly are realized by clamping and separating the clamping block 81 of the quick-dismantling mechanism 80 and the clamping groove 74 of the rod seat 70, so that the quick-dismantling mechanism 80 can realize the quick-dismantling and installation of the rod seat 70 and the connecting frame 90.

The number of the upper clamping grooves 74 of the rod seat 70 is plural, and the clamping grooves 74 are uniformly distributed along the axial direction of the rod seat 70 at intervals. Specifically, the plurality of clamping grooves 74 are arranged to adjust the depth of the rod seat 70 extending into the connecting frame 90, thereby adjusting the height of the handle clutch structure 1 on the connecting frame 90. The clamping block 81 is provided with a plurality of engaging portions 811 arranged at intervals, the distance between two adjacent engaging portions 811 is equal to the distance between two adjacent clamping grooves 74, the engaging portions 811 can be engaged into the clamping grooves 74, and the engaging portions 811 engage with the corresponding clamping grooves 74, so that the structural strength of the connection is improved.

The quick release mechanism 80 includes a first button 82, a second button 83, a first spring 84, a second spring 85, a first snap ring 86, and a second snap ring 87; the first button 82 and the second button 83 are respectively disposed at opposite sides of the connection frame 90; the first clamping ring 86 and the second clamping ring 87 are arranged in a vertically staggered mode, the first clamping ring 86 is connected with the first button 82, and the second clamping ring 87 is connected with the second button 83; the clamping block 81 is arranged at one end of the first clamping ring 86 close to the second button 83 and one end of the second clamping ring 87 close to the first button 82; one end of the first spring 84 is connected with the first button 82, and the other end is connected with the second snap ring 87; one end of the second spring 85 is connected to the second button 83, and the other end is connected to the first snap ring 86. Specifically, the first snap ring 86 and the second snap ring 87 are each movable in the radial direction of the link 90 within the link 90. When the rod seat 70 is detached from the connecting frame 90, the first button 82 and the second button 83 are pressed simultaneously, the first button 82 is connected with the first clamping ring 86, the first button 82 drives the first clamping ring 86 to move, and the clamping block 81 arranged on the first clamping ring 86 is separated from the corresponding clamping groove 74. Similarly, the second button 83 is connected to the second snap ring 87, and the second button 83 drives the second snap ring 87 to move, so that the clamping block 81 provided on the second snap ring 87 is separated from the corresponding clamping groove 74. And since one end of the first spring 84 is connected to the first button 82, the other end is connected to the second snap ring 87; one end of the second spring 85 is connected to the second button 83, and the other end is connected to the first snap ring 86, and when the first button 82 and the second button 83 are pressed simultaneously, the first spring 84 and the second spring 85 are compressed, and after the first button 82 and the second button 83 are released, the first button 82, the second button 83, the first snap ring 86 and the second snap ring 87 are restored under the action of elastic force. And in the state that the lever seat 70 is connected with the connecting frame 90, the clamping block 81 is clamped into the clamping groove 74 by the elastic force of the first spring 84 and the second spring 85.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A handle clutch structure which is characterized in that: comprises a handle component, a connecting pipe, a reset elastic piece, a limiting shaft, a rotating piece, a connecting shaft and a rod seat; the rod seat is internally provided with an installation cavity, and the side end of the rod seat is provided with a strip-shaped hole axially arranged along the rod seat; the connecting pipe is sleeved outside the rod seat; the rotating piece is sleeved outside the connecting pipe; the two ends of the connecting shaft sequentially pass through the rod seat, the connecting pipe and the rotating piece; the reset elastic piece is arranged in the mounting cavity, the limiting shaft is connected with the reset elastic piece, the limiting shaft is limited in the strip-shaped hole, and two ends of the limiting shaft sequentially penetrate through the strip-shaped hole and the connecting pipe; the handle component is fixedly connected with the connecting pipe and radially extrudes the reset elastic piece to the rotating piece; the rod seat is provided with a clutch position and a locking position, when the limiting shaft is positioned at the clutch position, the limiting shaft is positioned at one end of the strip-shaped hole close to the handle assembly, and the connecting pipe and the rotating piece can rotate relatively; the rotating piece is rotated, the limiting shaft moves from the clutch position to the locking position, and under the elastic action of the reset elastic piece, the limiting shaft moves downwards along the strip-shaped hole, and at the moment, the connecting pipe and the rotating piece cannot rotate relatively.

2. The handle clutch structure according to claim 1, wherein: the clutch position is a circular arc notch, the locking position is positioned beside the circular arc notch, the locking position is an open slot with an inclined plane, and the inclined plane extends obliquely towards the circular arc notch.

3. The handle clutch structure according to claim 1, wherein: the connecting pipe is provided with a first transverse adjusting hole which transversely and horizontally extends; the rotating piece is provided with a second transverse adjusting hole which transversely and horizontally extends and corresponds to the first transverse adjusting hole; the rod seat is provided with a positioning hole, and the connecting shaft sequentially penetrates through the positioning hole, the second transverse adjusting hole and the first transverse adjusting hole.

4. The handle clutch structure according to claim 1, wherein: the connecting pipe is provided with a T-shaped groove for the limiting shaft to rotate in the clutch position and to limit in the locking position, the T-shaped groove comprises a transverse moving section and a vertical section communicated with the transverse moving section, and the vertical section extends towards the direction of the connecting shaft.

5. The handle clutch structure according to claim 1, wherein: the reset elastic piece comprises a compression spring and a spring seat; one end of the compression spring is connected with the handle assembly, and the other end of the compression spring is connected with the spring seat; the spring seat is provided with a connecting hole for the connecting shaft to pass through.

6. The handle clutch structure according to claim 5, wherein: the spring seat is provided with connecting portion in one side of being away from the connecting hole, compression spring cover is located outside the connecting portion.

7. The handle clutch according to any one of claims 1 to 6, wherein: the quick-release mechanism is arranged on the connecting frame and is provided with a clamping block; the opposite sides of the rod seat are respectively provided with a clamping groove, the clamping blocks are clamped in the corresponding clamping grooves, the quick-dismantling mechanism is pressed, and the clamping blocks are retreated from the corresponding clamping grooves.

8. The handle clutch structure according to claim 7, wherein: the quick release mechanism comprises a first button, a second button, a first spring, a second spring, a first clamping ring and a second clamping ring; the first button and the second button are respectively arranged on two opposite sides of the connecting frame; the first clamping ring and the second clamping ring are arranged in a vertically staggered mode, the first clamping ring is connected with the first button, and the second clamping ring is connected with the second button; the clamping blocks are arranged at one end of the first clamping ring, which is close to the second button, and one end of the second clamping ring, which is close to the first button; one end of the first spring is connected with the first button, and the other end of the first spring is connected with the second clamping ring; one end of the second spring is connected with the second button, and the other end of the second spring is connected with the first clamping ring.

9. The handle clutch structure according to claim 7, wherein: the number of the clamping grooves on the rod seat is multiple, and the clamping grooves are uniformly distributed along the axial direction of the rod seat at intervals.

10. A child's vehicle, characterized by: comprising a rear handle, a screw, a front wheel and a handle clutch structure according to any one of claims 1 to 9, said screw connecting said front wheel, said rear handle and said handle clutch structure.